Photometric Variability of HD 4539?

Details Photometric Variability of HD 4539? Photometric Variability of HD 4539?

Mar 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aspc..452..213l&link_type=abstract

Fifth Meeting on Hot Subdwarf Stars and Related Objects, ASP Conference Series Vol. 452, proceedings of a workshop held at Stell

Astronomy and Astrophysics

Astronomy

Scientific paper

HD 4539 is a bright subdwarf-B (sdB) star not known to be variable photometrically, but showing line profile variations which may be interpreted as g-mode pulsation. In the present paper, I report photometry obtained as part of a search for evidence of HD 4539 being a photometric variable. While the photometric time-series obtained and the radial velocity time-series from the literature were found to have a frequency in common at 9.28 cycles/day, a meticulous examination of errors is needed to confirm the photometric variability of HD 4539.

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